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Re: [Qemu-devel] [PATCH v3 4/5] xlnx-zcu102: Specify the valid CPUs
From: |
Philippe Mathieu-Daudé |
Subject: |
Re: [Qemu-devel] [PATCH v3 4/5] xlnx-zcu102: Specify the valid CPUs |
Date: |
Mon, 23 Oct 2017 08:14:56 -0300 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0 |
On 10/17/2017 07:31 PM, Alistair Francis wrote:
> List all possible valid CPU options.
>
> Signed-off-by: Alistair Francis <address@hidden>
> ---
>
> An implementation for single CPU machines is still being discussed. A
> solution proposed by Eduardo is this:
>
> 1) Change the default on TYPE_MACHINE to:
> mc->valid_cpu_types = { TYPE_CPU, NULL };
>
> This will keep the existing behavior for all boards.
>
> 2) mc->valid_cpu_types=NULL be interpreted as "no CPU model
> except the default is accepted" or "-cpu is not accepted" in
> machine_run_board_init() (I prefer the former, but both
> options would be correct)
>
> 3) Boards like xlnx_zynqmp could then just do this:
>
> static void xxx_class_init(...) {
> mc->default_cpu_type = MY_CPU_TYPE;
> /* Reason: XXX_init() is hardcoded to MY_CPU_TYPE */
> mc->valid_cpu_types = NULL;
> }
>
> V3:
> - Make variable static
> V2:
> - Don't use the users -cpu
> - Fixup allignment
>
> hw/arm/xlnx-zcu102.c | 17 +++++++++++++++++
> 1 file changed, 17 insertions(+)
>
> diff --git a/hw/arm/xlnx-zcu102.c b/hw/arm/xlnx-zcu102.c
> index 519a16ed98..d5a5425356 100644
> --- a/hw/arm/xlnx-zcu102.c
> +++ b/hw/arm/xlnx-zcu102.c
> @@ -160,6 +160,11 @@ static void xlnx_zynqmp_init(XlnxZCU102 *s, MachineState
> *machine)
> arm_load_kernel(s->soc.boot_cpu_ptr, &xlnx_zcu102_binfo);
> }
>
> +static const char *xlnx_zynqmp_valid_cpus[] = {
> + ARM_CPU_TYPE_NAME("cortex-a53"),
> + NULL
> + };
Why so many spaces? :) Maybe Peter can clean it when applying.
static const char *xlnx_zynqmp_valid_cpus[] = {
ARM_CPU_TYPE_NAME("cortex-a53"),
NULL
};
Reviewed-by: Philippe Mathieu-Daudé <address@hidden>
> +
> static void xlnx_ep108_init(MachineState *machine)
> {
> XlnxZCU102 *s = EP108_MACHINE(machine);
> @@ -185,6 +190,12 @@ static void xlnx_ep108_machine_class_init(ObjectClass
> *oc, void *data)
> mc->block_default_type = IF_IDE;
> mc->units_per_default_bus = 1;
> mc->ignore_memory_transaction_failures = true;
> + mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a53");
> + /* The ZynqMP SoC is always a Cortex-A53. We add this here to give
> + * users a sane error if they specify a different CPU, but we never
> + * use their CPU choice.
> + */
> + mc->valid_cpu_types = xlnx_zynqmp_valid_cpus;
> }
>
> static const TypeInfo xlnx_ep108_machine_init_typeinfo = {
> @@ -240,6 +251,12 @@ static void xlnx_zcu102_machine_class_init(ObjectClass
> *oc, void *data)
> mc->block_default_type = IF_IDE;
> mc->units_per_default_bus = 1;
> mc->ignore_memory_transaction_failures = true;
> + mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a53");
> + /* The ZynqMP SoC is always a Cortex-A53. We add this here to give
> + * users a sane error if they specify a different CPU, but we never
> + * use their CPU choice.
> + */
> + mc->valid_cpu_types = xlnx_zynqmp_valid_cpus;
> }
>
> static const TypeInfo xlnx_zcu102_machine_init_typeinfo = {
>
- [Qemu-devel] [PATCH v3 0/5] Add a valid_cpu_types property, Alistair Francis, 2017/10/17
- [Qemu-devel] [PATCH v3 3/5] raspi: Specify the valid CPUs, Alistair Francis, 2017/10/17
- [Qemu-devel] [PATCH v3 2/5] bcm2836: Use the Cortex-A7 instead of Cortex-A15, Alistair Francis, 2017/10/17
- [Qemu-devel] [PATCH v3 5/5] xilinx_zynq: Specify the valid CPUs, Alistair Francis, 2017/10/17
- [Qemu-devel] [PATCH v3 1/5] netduino2: Specify the valid CPUs, Alistair Francis, 2017/10/17
- [Qemu-devel] [PATCH v3 4/5] xlnx-zcu102: Specify the valid CPUs, Alistair Francis, 2017/10/17
- Re: [Qemu-devel] [PATCH v3 0/5] Add a valid_cpu_types property, Alistair Francis, 2017/10/23